Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HKP Shirt - Short Sleeve - Gray
HKP HK Parts
$14.95HKP Short Sleeve Shirt - Gray Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...HKP-21021-M$14.95 -
HK VP9 Series Magazine Catch
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK, VP9 Match HK VP40, VP40 TacticalHKP-16817$24.95 -
HK416, MR556 Magazine Catch
H&K Heckler & Koch
$59.95H&K HK MR556/416 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK MR556 HK 416HKP-15458$59.95 -
HK416, MR556 Bolt Catch
H&K Heckler & Koch
$59.95Heckler and Koch HK MR556 and HK416 Bolt Catch New HK German manufacture. Compatible With: HK416, MR556HKP-02542$59.95 -
HK MP5 Magazine Clamp - .40 S&W / 10mm
H&K Heckler & Koch
$129.95New HK German MP5 40/10/.357 Magazine Clamp Fits all MP5 40/10 Magazines. Holds two magazines together for immediate access.HKP-00431$129.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
On Sale
HK21, HK11 Barrel - 7.62 / .308 - 14.5"
RCM
Now: $599.95Was: $684.95RCM HK21 and HK11 Barrel - 14.5" RCM HK11 barrels are expertly crafted from mil-spec 41V50 CHF blanks and are fully salt bath nitrided, delivering exceptional wear and corrosion resistance. These hybrid barrels feature an E cut barrel face and are...HKP-21631Now: $599.95Was: $684.95 -
On Sale
ETS 12 Round HK VP9SK 9mm Magazine - Translucent
Now: $12.95Was: $16.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9SK Features: Extended 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of extensions for Glock, our mag base is designed to be...HKP-19198Now: $12.95Was: $16.99 -
HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer
Michaels Machines
$429.95US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...HKP-20068$429.95 -
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01799$5.95 -
HK416, MR556, HK417, MR762 Pistol Grip - V1
H&K Heckler & Koch
$79.95H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556 HK 417/MR762 HK M27 HK G28 AR-15, M4, & M16 PlatformsHKP-01023$79.95 -
HK MP5, HK94, SP89 Magazine Pouch - 3 Straight Mags - 30 Round - Canvas
H&K Heckler & Koch
$24.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-20728$24.95